| 摘要 |
PROBLEM TO BE SOLVED: To provide a particle beam irradiation apparatus which can carry out two modes of irradiation in a rotating irradiation-type particle beam irradiation apparatus. SOLUTION: In the particle beam irradiation apparatus, an irradiation device radiating incident particle beam is driven rotatably using an irradiation reference point as a rotation center. The particle beam irradiation apparatus has an irradiation system switching means 31 for switching incident particle beam between a first irradiation system 14 and a second irradiation system 23, a first irradiation device 15 arranged on the first irradiation system 14, and a second irradiation device 24 arranged on the second irradiation system 23. With such a configuration, the particle beam irradiation apparatus can select various irradiation modes. COPYRIGHT: (C)2010,JPO&INPIT
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